The correct answer is <span>the contribution an individual makes to the gene pool of the next generation relative to the contribution of another individual.
Each individual in a population has an absolute fitness which is a measure of the successfulness of an individual in reproducing and leaving viable offspring. The relative fitness, on the other hand, is the relative fitness of the individual compared with another individual, usually the one with the highest fitness. </span>
Answer:
higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual
Explanation:
This is obvious but the correct answer is B. Earth
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Antibiotics can be used to treat sickness
